GS Biology Questions and Answers
GS Biology questions with answers enhance your general science knowledge, especially for exams like SSC, Railways, and UPSC. Biology is an important branch of general science that deals with the study of life, organisms, and their vital processes. These general science questions and answers cover topics such as cells, human anatomy, genetics, and ecology — frequently asked in competitive exams. Practicing these questions helps you understand biological concepts clearly and boosts your score in the general awareness section. Strengthen your science fundamentals and prepare effectively for multiple-choice questions in upcoming tests.
GS Biology
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357 questions
211. Which of the following sets is the evidence of evolution?
- Homologous and vestigial organs
- Analogous and vestigial organs
- Homologous and analogous organs
- All of the above
212. Of the following anatomical structures, which is homologous to the wing of a bat?
- The arm of a human
- The wing of a butterfly
- The tail of a fish
- The dorsal fin of a shark
213. Which set includes only analogous organs?
- Wings of butterfly, housefly and bat
- Hind legs of horse
- Hands of man, monkey and kangaroo
- Mandibles of cockroach, mosquito and honeybee
214. Which set represents all vestigial structures in humans?
- Vermiform appendix, body hair and cochlea
- Wisdom teeth, coccyx and patella
- Coccyx, vermiform appendix and muscles of ear pinna
- Body hair, muscles of ear pinna and atlas vertebra
215. The earliest animal to have been domesticated by man most likely is
- horse
- pig
- dog
- cow
216. Presence of gill slits in the embryo of all vertebrates supports the theory of
- organic evolution
- recapitulation
- metamorphosis
- biogenesis
217. Appearance of ancestral characters in newborns, such as tail and multiple mammary glands, is known as
- homologous
- analogous
- atavistic
- vestigial
218. Evolution is defined as
- history of race
- development of race
- history and development of race with variations
- progressive history of race
219. The book "Philosophic zoologique" published in 1809 was written by
- Mendel
- Darwin
- De Vries
- Lamarck
220. Penguin is a bird that lost the use of its wings by not flying. This view is expressed by
- Darwin
- Wallace
- Lamarck
- Huxley